CVE catalog
CVE-2026-66139
OpenStack Zaqar through 22.0.0 allows authentication bypass via an EXTRA-SPEC header when a UUID is known.
- Severity
- Medium · CVSS 4.8
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:L - Published
- Source
- [NVD] · [CVE record]
- EPSS
- 0.48% · Oct 25, 2026
OpenStack Zaqar through 22.0.0 allows authentication bypass via an EXTRA-SPEC header when a UUID is known.
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Debian | zaqar | sid | 23.0.0-4 | fixed |
| Debian | zaqar | forky | 23.0.0-4 | fixed |
| Debian | zaqar | trixie | 20.0.0-2 | vulnerable |
| Debian | zaqar | bookworm | 15.0.0-1 | vulnerable |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | zaqar | source | sid | 22.0.0-3 | not yet assigned | Not reported | [1142858] |
| Debian | zaqar | source | forky | 22.0.0-3 | not yet assigned | Not reported | [1142858] |
| Debian | zaqar | source | trixie | (unfixed) | not yet assigned | Not reported | [1142858] |
| Debian | zaqar | source | bookworm | (unfixed) | not yet assigned | Not reported | [1142858] |
Notes
[trixie] zaqar: Minor issue [bookworm] zaqar: Minor issue
OpenFactory catalog packages
[Debian 12 (Bookworm)]
- [python3-zaqar]Affected
Source package: [zaqar]
Details (2)
15.0.0-1· all · bookwormAffected
nvd · zaqar · debian · bookworm; nvd · zaqar · debian · 12
15.0.0-1· all · bookwormAffected
nvd · zaqar · debian · bookworm; nvd · zaqar · debian · 12
- [zaqar-common]Affected
Source package: [zaqar]
Details (2)
15.0.0-1· all · bookwormAffected
nvd · zaqar · debian · bookworm; nvd · zaqar · debian · 12
15.0.0-1· all · bookwormAffected
nvd · zaqar · debian · bookworm; nvd · zaqar · debian · 12
- [zaqar-server]Affected
Source package: [zaqar]
Details (2)
15.0.0-1· all · bookwormAffected
nvd · zaqar · debian · bookworm; nvd · zaqar · debian · 12
15.0.0-1· all · bookwormAffected
nvd · zaqar · debian · bookworm; nvd · zaqar · debian · 12
[Debian 13 (Trixie)]
- [python3-zaqar]Affected
Source package: [zaqar]
Details (2)
20.0.0-2· all · trixieAffected
nvd · zaqar · debian · 13
20.0.0-2· all · trixieAffected
nvd · zaqar · debian · 13
- [zaqar-common]Affected
Source package: [zaqar]
Details (2)
20.0.0-2· all · trixieAffected
nvd · zaqar · debian · 13
20.0.0-2· all · trixieAffected
nvd · zaqar · debian · 13
- [zaqar-server]Affected
Source package: [zaqar]
Details (2)
20.0.0-2· all · trixieAffected
nvd · zaqar · debian · 13
20.0.0-2· all · trixieAffected
nvd · zaqar · debian · 13
Observed:
References
- [http://www.openwall.com/lists/oss-security/2026/07/24/27]
- [https://bugs.launchpad.net/ossa/+bug/2161254]
- [https://nvd.nist.gov/vuln/detail/CVE-2026-66139]
- [https://osv.dev/vulnerability/DEBIAN-CVE-2026-66139]
- [https://security-tracker.debian.org/tracker/CVE-2026-66139]
- [https://www.openwall.com/lists/oss-security/2026/07/23/7]
[Debian Security Tracker] · [FIRST EPSS] · [National Vulnerability Database (NVD)] · [OSV Package Vulnerability Database]